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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.api.role;
import com.yahoo.config.provision.SystemName;
import java.net.URI;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
/**
* Checks whether {@link Role}s have the required {@link Privilege}s to perform {@link Action}s on given {@link java.net.URI}s.
*
* @author jonmv
*/
public class Enforcer {
private static final Logger logger = Logger.getLogger(Enforcer.class.getName());
private final SystemName system;
public Enforcer(SystemName system) {
this.system = system;
}
/** Returns whether {@code role} has permission to perform {@code action} on {@code resource}, in this enforcer's system. */
public boolean allows(Role role, Action action, URI resource) {
List<Policy> matchingPolicies = role.definition().policies().stream()
.filter(policy -> policy.evaluate(action, resource, role.context, system))
.toList();
logger.log(Level.FINE, "Matching policies for " +
"role: " + role.definition().name() + ", "+
"action " + action.name() + ", " +
resource.getPath() + " : " +
matchingPolicies.stream().map(Enum::name).collect(Collectors.joining()));
return !matchingPolicies.isEmpty();
}
}
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